<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <!-- 作用域查层，可以获得当前列的所有数据scope.row -->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialag(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- 主题内容区域 -->
      <span>
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
      </span>
      <!-- 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 编辑页面的对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>getUserList
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>
          分配新角色：
          <el-select v-model="seleteRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>

      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRolesInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    //验证邮箱规则
    var checkemail = (rule, value, callback) => {
      //邮箱验证规则
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      //合法邮箱
      if (regEmail.test(value)) {
        return callback();
      }
      //非法邮箱
      callback(new Error("请输入合法的邮箱"));
    };
    //验证手机号规则
    var checkemobile = (rule, value, callback) => {
      //手机号验证规则
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;

      //合法手机号码
      if (regMobile.test(value)) {
        return callback();
      }
      //非法邮箱
      callback(new Error("请输入合法的手机号码"));
    };
    return {
      //获取用户列表的参数对象
      queryInfo: {
        query: "",
        //当前页数
        pagenum: 1,
        //当前每页显示多少行
        pagesize: 2,
      },
      //储存所有用户参数
      userList: [],
      //总数据条数
      total: 0,
      //添加用户对话框的隐藏和显示
      addDialogVisible: false,
      //添加用户数据的对象
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      //表单验证规则
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkemail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkemobile, trigger: "blur" },
        ],
      },
      editDialogVisible: false,
      //保存查询用户的信息
      editForm: {},
      //修规验证规则
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkemail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkemobile, trigger: "blur" },
        ],
      },
      //分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      //需要分配角色的用户信息
      userInfo: {},
      //所有角色数据列表
      rolesList: [],
      // 已选中的角色id
      seleteRoleId: "",
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败");
      this.userList = res.data.users;
      this.total = res.data.total;
      //   console.log(res);
    },
    //监听pagesize改变
    handleSizeChange(newSize) {
      //   console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    //监听页码值改变
    handleCurrentChange(newPage) {
      //   console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听角色状态的改变
    async userStateChange(userinfo) {
      // console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户状态失败");
      }
      this.$message.success("更新用户状态成功");
    },
    //监听添加用户对话框的关闭
    addDialogClosed() {
      //重置表单
      this.$refs.addFormRef.resetFields();
    },
    //添加新用户
    addUser() {
      //表单的预验证
      this.$refs.addFormRef.validate(async (vaild) => {
        // console.log(vaild);
        if (!vaild) return;
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201)
          return this.$message.error("添加用户失败！");

        this.$message.success("添加用户成功！");

        this.getUserList()
        //隐藏添加用户对话框
        this.addDialogVisible = false;
      });
    },
    //展示编辑页面的对话框
    async showEditDialag(id) {
      this.editDialogVisible = true;
      // console.log(id)
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200)
        return this.$message.error("查询用户信息失败");
      this.editForm = res.data;
      // console.log('sss')
    },
    //重置表单
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 修改用户信息提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async (vaild) => {
        // console.log(vaild);
        if (!vaild) return;
        //发起修改用户请求
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          { email: this.editForm.email, mobile: this.editForm.mobile }
        );
        if (res.meta.status !== 200) return this.$message.error("更新失败");
        //关闭对话框
        this.editDialogVisible = false;
        // 刷新列表
        this.getUserList();
        // 提示更新成功
        this.$message.success("更新成功");
      });
    },
    //根据id删除对应的用户信息
    async removeUserById(id) {
      // console.log(id);
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => {
        return err;
      });
      // console.log(confirmResult);
      // 确认删除返回值为字符串confirm
      if (confirmResult !== "confirm") {
        return this.$message.info("已经取消删除");
      }
      // 取消删除返回值为字符串cancel
      // console.log('确认删除')
      const { data: res } = await this.$http.delete("users/" + id);
      if (res.meta.status !== 200) {
        // 删除失败
        return this.$message.error("删除用户失败");
      }
      this.$message.success("删除用户成功");
      this.getUserList();
    },
    //展示分配角色对话框
    async setRole(userInfo) {
      this.userInfo = userInfo;
      //获取所有角色列表
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200)
        return this.$message.error("获取角色列表失败");
      this.rolesList = res.data;
      this.setRoleDialogVisible = true;
    },
    //点击保存新角色
    async saveRolesInfo() {
      if (!this.seleteRoleId)
        return this.$message.error("请选择需要分配的角色");

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.seleteRoleId,
        }
      );

      if (res.meta.status !== 200) return this.$message.error("分配角色失败");

      this.getUserList();

      this.setRoleDialogVisible = false;
    },
    // 关闭对话框
    setRoleDialogClosed() {
      this.seleteRoleId = "";
      this.userInfo = {};
    },
  },
};
</script>
<style lang="less" scoped>
</style>